# CVE-2026-10661: ahujasid blender-mcp server.py open injection

> Attackers can execute arbitrary code via injection in the Open function of the Blender MCP server.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Jun 2026
- **Updated:** 3 Jun 2026
- **Also known as:** GHSA-qqw9-95ww-prfm

## What is CVE-2026-10661?

CVE-2026-10661 is a medium-severity code injection vulnerability in ahujasid blender-mcp, published on 2 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability has been found in ahujasid blender-mcp up to 7636d13bded82eca58eb93c3f4cd8708dfdfbe8b. Impacted is the function Open of the file src/blender_mcp/server.py. The manipulation of the argument input_image_url leads to injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The identifier of the patch is 5b37be25242e73dc4cf1328974d30458b9e5d67e. To fix this issue, it is recommended to deploy a patch.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component), CWE-707 (Improper Neutralization)

## Which versions are affected by CVE-2026-10661?


## How do I fix CVE-2026-10661?

No fix has been published for CVE-2026-10661 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-10661 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10661 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-10661 and fix it if it is affected.

What it is: CVE-2026-10661 is a medium-severity code injection vulnerability in ahujasid blender-mcp, published on 2 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10661 exists.

Affected product: ahujasid blender-mcp. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-10661/ (Markdown: https://insights.sbomify.com/CVE-2026-10661/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-10661
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-10661
- OSV: https://osv.dev/vulnerability/CVE-2026-10661

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-10661/
Summaries are generated and may contain mistakes; the official description above is the record.